The heart pumps about 1 million barrels of blood during an average lifetime!
30
The average sperm cell swims at 8 inches per hour.
4
Enamel is hardest substance in the human body.
61
2 out of 3 adults in the United States have hemorrhoids.
7
A person can live without food for about a month, but only about a week without water.
156
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The average human body contains enough iron to make a small nail.
50